Home / 658,836,510,091.50-909,144,487,499.16-369,748,937,280.72

Finding the Fourth Proportional to 658,836,510,091.50, 909,144,487,499.16 and 369,748,937,280.72

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Solution

The fourth proportional to 658,836,510,091.50, 909,144,487,499.16 and 369,748,937,280.72 is: 510,225,530,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,836,510,091.50 : 909,144,487,499.16 = 369,748,937,280.72 : x
  2. Step 2: Convert to fraction form
    658,836,510,091.50/909,144,487,499.16 = 369,748,937,280.72/x
  3. Step 3: Cross multiply
    658,836,510,091.50x = 909,144,487,499.16 × 369,748,937,280.72
  4. Step 4: Simplify right side
    658,836,510,091.50x = 336,155,208,087,439,212,019,712
  5. Step 5: Solve for x
    x = 336,155,208,087,439,212,019,712/658,836,510,091.50
  6. Step 6: Final answer
    x = 510,225,530,823.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.